async Task <MqttApplicationMessageInterceptorContext> InterceptApplicationMessageAsync(MqttClientConnection senderConnection, MqttApplicationMessage applicationMessage)
{
var interceptor = _options.ApplicationMessageInterceptor;
if (interceptor == null)
{
return(null);
}
string senderClientId;
IDictionary <object, object> sessionItems;
var messageIsFromServer = senderConnection == null;
if (messageIsFromServer)
{
senderClientId = _options.ClientId;
sessionItems = _serverSessionItems;
}
else
{
senderClientId = senderConnection.ClientId;
sessionItems = senderConnection.Session.Items;
}
var interceptorContext = new MqttApplicationMessageInterceptorContext(senderClientId, sessionItems, applicationMessage);
await interceptor.InterceptApplicationMessagePublishAsync(interceptorContext).ConfigureAwait(false);
return(interceptorContext);
}
async Task <MqttApplicationMessageInterceptorContext> InterceptApplicationMessageAsync(IMqttServerApplicationMessageInterceptor interceptor, MqttClientConnection clientConnection, MqttApplicationMessage applicationMessage)
{
string senderClientId;
IDictionary <object, object> sessionItems;
var messageIsFromServer = clientConnection == null;
if (messageIsFromServer)
{
senderClientId = _options.ClientId;
sessionItems = _serverSessionItems;
}
else
{
senderClientId = clientConnection.ClientId;
sessionItems = clientConnection.Session.Items;
}
var interceptorContext = new MqttApplicationMessageInterceptorContext(senderClientId, sessionItems, _logger)
{
AcceptPublish = true,
ApplicationMessage = applicationMessage,
CloseConnection = false
};
await interceptor.InterceptApplicationMessagePublishAsync(interceptorContext).ConfigureAwait(false);
return(interceptorContext);
}
private MqttApplicationMessage InterceptApplicationMessage(MqttClientSession senderClientSession, MqttApplicationMessage applicationMessage)
{
if (_options.ApplicationMessageInterceptor == null)
{
return(applicationMessage);
}
var interceptorContext = new MqttApplicationMessageInterceptorContext(
senderClientSession.ClientId,
applicationMessage);
_options.ApplicationMessageInterceptor(interceptorContext);
return(interceptorContext.ApplicationMessage);
}
private MqttApplicationMessageInterceptorContext InterceptApplicationMessage(MqttClientSession sender, MqttApplicationMessage applicationMessage)
{
var interceptor = _options.ApplicationMessageInterceptor;
if (interceptor == null)
{
return(null);
}
var interceptorContext = new MqttApplicationMessageInterceptorContext(sender?.ClientId, applicationMessage);
interceptor(interceptorContext);
return(interceptorContext);
}
public Task InterceptApplicationMessagePublishAsync(MqttApplicationMessageInterceptorContext context)
{
Task.Run(async() =>
{
try
{
await _callback.Invoke(context).ConfigureAwait(false);
}
catch (Exception exception)
{
context.Logger.Error(exception, "Error while intercepting application message.");
}
}).RunInBackground();
return(PlatformAbstractionLayer.CompletedTask);
}
public Task InterceptApplicationMessagePublishAsync(MqttApplicationMessageInterceptorContext context)
{
Task.Run(async() =>
{
try
{
await _callback.Invoke(context).ConfigureAwait(false);
}
catch (Exception exception)
{
var exceptionHandler = ExceptionHandler;
if (exceptionHandler != null)
{
await exceptionHandler.Invoke(context, exception).ConfigureAwait(false);
}
}
}).RunInBackground();
return(PlatformAbstractionLayer.CompletedTask);
}
private async Task <MqttApplicationMessageInterceptorContext> InterceptApplicationMessageAsync(MqttClientConnection sender, MqttApplicationMessage applicationMessage)
{
var interceptor = _options.ApplicationMessageInterceptor;
if (interceptor == null)
{
return(null);
}
var senderClientId = sender?.ClientId;
if (sender == null)
{
senderClientId = _options.ClientId;
}
var interceptorContext = new MqttApplicationMessageInterceptorContext(senderClientId, applicationMessage);
await interceptor.InterceptApplicationMessagePublishAsync(interceptorContext).ConfigureAwait(false);
return(interceptorContext);
}
public Task InterceptApplicationMessagePublishAsync(MqttApplicationMessageInterceptorContext context)
{
return(_callback(context));
}